Shop from 44,541,905 total and 12,628,821 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Find baseball cards and other sports cards on sale in Promotions & Port Sales

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

44 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

High resolution scans of the front & back of every card.

Easy & Fun Sports Card Flipping

Filter by team, player, set & more. Purchase, instantly relist, & flip for profit.

We Do The Work To Sell Your Cards

Research & identify your collectibles

Evaluate condition & value

Scan the front & back of every card

Advertise to find buyers

Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

We Have Other Unique Services

Mailbox Services

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eBay Integration

Historical Sales Data

A Different Way to Sell Cards

We identify, scan, list, store, insure, package, and ship - just send us your sports cards, trading cards, and collectibles. COMC listings are automatically posted to eBay!

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1989 Topps - [Base] #647

Randy Johnson [PSA 10 GEM MT]

$147.50

2021 Bowman Draft - Chrome Draft Pick Autographs #CDA-JJ

High # - Phil Rizzuto [Poor to Fair]

$35.04

2023 Bowman Chrome - Prospect Autographs #CPA-JSH

Jun-Seok Shim [PSA 10 GEM MT]

$18.65

2000 Playoff Contenders - [Base] #184

European Ticket - Matt Lytle

$8.59

2018 Panini Contenders - [Base] #153

Rookie Ticket Autograph - Jaire Alexander

$46.54

2022 Bowman University Chrome - Chrome Prospect Autographs - Lava Refractor #8

Re'Mahn Davis /199

$23.54

2001 Topps - [Base] - Topps Collection #328

Drew Brees [PSA 9 MINT]

$92.24

2024 Panini Donruss Optic - [Base] - Green Velocity Prizm #229

Rated Rookie - Drake Maye

$52.00

2024-25 Upper Deck Series 1 - UD Canvas #C-111

Young Guns - Lane Hutson

$145.03

2024-25 Upper Deck Extended Series - [Base] - Deluxe #704

Young Guns - Lian Bichsel /250

$30.44

2021-22 Upper Deck Ultimate Collection - Signature Material Laureates #SML-AS

Andrei Svechnikov /75

$32.73

2009-10 Upper Deck The Cup - Signature Patches Dual #SP2-KV

James van Riemsdyk, Evander Kane /35

$37.34

1971-72 Topps - [Base] #50

Bobby Hull

$20.09

1997-98 EX2001 - Stardate 2001 #5SD

Tim Duncan

$27.59

2019-20 Panini Mosaic - [Base] - Reactive Blue Prizm #274

NBA Debut - Ja Morant [PSA 10 GEM MT]

$57.74

1980-81 Topps - [Base] - Separated #18

Magic Johnson

$23.54

2018-19 Panini Select - [Base] #201

Courtside - Shai Gilgeous-Alexander [PSA 9 MINT]

$104.90

2022-23 Bowman University Chrome - Bowman Invicta #BI-15

Jump to Popular Players!

Michael Jordan HOF	LeBron James	Aaron Judge	Alexis Lafreniere	Zion Williamson	Stephen Curry
Connor Bedard	Shohei Ohtani	Spider-Man	Tom Brady	Derek Jeter	Patrick Mahomes II
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Wolverine	Ja Morant	Paul Goldschmidt
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Wayne Gretzky

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COMC (Check Out My Collectibles) is a unique marketplace for buying and selling sports cards, gaming cards, comics, and more. We have a great selection of singles, memorabilia cards, autographed cards, and rookie cards. Our listings include front and back scans of every card. We're also a great place to sell cards. Do you want to know more about card values? Learn about our suggested prices.